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Math Help - probability

  1. #1
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    probability

    A new reality show has a contestant choose a group of 6 of his/her best friends to go to a deserted island for a 1 week adventure. The contestant has 12 friends to pick a group of 6 from, how many different groups can he/she make?
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  2. #2
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    it would be \binom{12}{6} so we would have:

    \frac{12!}{6!(12-6)!}=5544
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